# AT Protocol MCP — Taproot

> Taproot provides read-only access to public data across the Atmosphere, the network of apps built on AT Protocol, over MCP and HTTP. Bluesky is one app in this network. This site is a connection guide; the service and authoritative documentation are hosted at atproto.at.

## Connection

- MCP endpoint: https://mcp.atproto.at/mcp
- Transport: Streamable HTTP
- Authentication: none; no API key or account needed
- Scope: public accounts, records, threads, backlinks, lexicons and network metadata
- No posting, account changes or private data access
- Follow pagination cursors. Respect rate limits and returned retry delays.

## Documentation

- [Connection guide](https://atproto-mcp.com/connect/): Client setup and example requests.
- [Taproot agent documentation](https://atproto.at/llms.txt): Authoritative service overview.
- [Live tool catalog](https://api.atproto.at/v1/tools): Current tool names and input schemas.
- [OpenAPI specification](https://atproto.at/openapi.json): HTTP API contract.
- [Developer documentation](https://atproto.at/developers#mcp): MCP and HTTP API details.

## Example

Read a public account using HTTP:
https://api.atproto.at/v1/tools/get_profile?actor=bsky.app

For MCP, discover tools using tools/list and invoke them with tools/call. Selected tools include resolve, get_profile, list_records, get_thread, get_backlinks and resolve_lexicon. Use the live catalog for current parameters.